didn't she?
当陈述部分带有宾语从句时,疑问部分的主语应与主句的主语保持一致.例如：
He said that he would come to my birthday party,didn’t he?
但当主句是：I think,I believe,I suppose,I except,I imagine等结构时,疑问部分的主语和谓语动词应与宾语从句的主语和谓语保持一致.例如：
I don’t believe he will succeed,will he
He doesn’t believe he will succeed,does he